proxĭmō, adv. [proximus],
very lately , Cic. Att. 4, 17, 3.
proximō adv. proximus, very lately, shortly : proximo a. d. vi Kal. Octobr., just befo...
An Elementary Latin Dictionary
·- In the next month after the present; — often contracted to prox.; as, on the 3d proximo. ...
Webster's Dictionary of the English Language